Smith, W. J. Color atlas of diseases and disorders of the pig / by W. J. Smith, D. J. Taylor and R. H. C. Penny - Ames : Iowa State University Press, 1990 - 192 p. : ilus. - . LCCN: 166043 Subjects--Topical Terms: Ganado porcino--enfermedades I. Taylor, D. J. II. Penny, R. H. C. III. t. Dewey Class. No.: 636.4089 S5